I can surround you can surround she can surround we can surround you can surround they can surround
V-ing form
I can be surrounding you can be surrounding she can be surrounding we can be surrounding you can be surrounding they can be surrounding
Perfect
I can have surrounded you can have surrounded she can have surrounded we can have surrounded you can have surrounded they can have surrounded
V-ing perfect
I can have been surrounding you can have been surrounding she can have been surrounding we can have been surrounding you can have been surrounding they can have been surrounding
Negation
Simple form
I cannot surround you cannot surround she cannot surround we cannot surround you cannot surround they cannot surround
V-ing form
I cannot be surrounding you cannot be surrounding she cannot be surrounding we cannot be surrounding you cannot be surrounding they cannot be surrounding
Perfect
I cannot have surrounded you cannot have surrounded she cannot have surrounded we cannot have surrounded you cannot have surrounded they cannot have surrounded
V-ing perfect
I cannot have been surrounding you cannot have been surrounding she cannot have been surrounding we cannot have been surrounding you cannot have been surrounding they cannot have been surrounding
Interrogative form
Simple form
can I surround? can you surround? can she surround? can we surround? can you surround? can they surround?
V-ing form
can I be surrounding? can you be surrounding? can she be surrounding? can we be surrounding? can you be surrounding? can they be surrounding?
Perfect
can I have surrounded? can you have surrounded? can she have surrounded? can we have surrounded? can you have surrounded? can they have surrounded?
V-ing perfect
can I have been surrounding? can you have been surrounding? can she have been surrounding? can we have been surrounding? can you have been surrounding? can they have been surrounding?
Interro-negative form
Simple form
can I not surround? can you not surround? can she not surround? can we not surround? can you not surround? can they not surround?
V-ing form
can I not be surrounding? can you not be surrounding? can she not be surrounding? can we not be surrounding? can you not be surrounding? can they not be surrounding?
Perfect
can I not have surrounded? can you not have surrounded? can she not have surrounded? can we not have surrounded? can you not have surrounded? can they not have surrounded?
V-ing perfect
can I not have been surrounding? can you not have been surrounding? can she not have been surrounding? can we not have been surrounding? can you not have been surrounding? can they not have been surrounding?